Geissele Automatics Super Duty MOD1 5.56 AR-15 Rifle - 14.5"

The Geissele Super Duty MOD1 is the current evolution of the Super Duty platform, refining ergonomics and modularity while keeping the balance of performance and reliability the line is known for. Built with a High-Pressure Tested and Magnetic Particle Inspected CHF barrel and bolt, this AR-15 rifle delivers match-grade accuracy with duty-proven dependability.

Features:

• 14.5" cold hammer-forged barrel, HPT and MPI tested (P/W)
• Chambered in 5.56 NATO
• Forged Stressproof Bolt, Carpenter 158+, rated for 5x the life of a mil-spec bolt
• Super Compact Gas Block, fine-tuned gas port sizing
• Super 42 braided buffer spring
• HUXWRX Flash Hider-QD, compatible with the HUXWRX FLOW suppressor series (pinned and welded)
• SSA-E X two-stage trigger, Lightning Bow shape, Nanoweapon-coated components
• Ambidextrous Super Configurable Safety, Airborne charging handle
• Checkered magazine release, Maritime Bolt Catch
• Center-tab mated MK16 rail with stainless steel QD inserts
• Geissele QD sling mount endplate
• B5 SOPMOD stock, A17 grip
• Black finish
• Includes one magazine

The Forged Stressproof Bolt is made from Carpenter 158+ steel, developed directly with Carpenter Steel metallurgists for a cleaner alloy with fewer impurities, giving it greater strength and fatigue resistance than a standard mil-spec bolt. The balanced gas system pairs a bomb-proof Super Compact Gas Block with fine-tuned port sizing and a Super 42 braided buffer spring to minimize felt recoil while keeping cycling reliable even in adverse conditions. The HUXWRX Flash Hider-QD is pinned and welded to bring this 14.5-inch barrel to legal rifle length without an SBR stamp, while still offering seamless compatibility with the HUXWRX FLOW suppressor series.

Founded in 2004 by Bill Geissele in Pennsylvania, Geissele Automatics built its reputation on precision AR-15 triggers before expanding into rail systems, gas systems, and complete rifles. The Super Duty MOD1 reflects that same engineering rigor across a full platform rather than just its components.